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Atomic Structure of Promethium and Cadmium

Promethium
Cadmium
Atomic Structure of Cadmium and Promethium


Atomic Properties
Atomic Number
61   
99+
48   
99+
Electron Configuration
[Xe] 4f5 6s2   
[Kr] 4d10 5s2   
Crystal Structure
Double Hexagonal Close Packed (DHCP)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
DHCP-Crystal-Structure-of-Promethium.jpg#100   
HCP-Crystal-Structure-of-Cadmium.jpg#100   
Atom
  
  
Number of Protons
61   
99+
48   
99+
Number of Neutrons
84   
40
64   
99+
Number of Electrons
61   
99+
48   
99+
Radius of an Atom
  
  
Atomic Radius
183.00 pm   
10
151.00 pm   
32
Covalent Radius
199.00 pm   
12
144.00 pm   
40
Van der Waals Radius
236.00 pm   
16
158.00 pm   
99+
Atomic Weight
145.00 amu   
99+
112.41 amu   
99+
Atomic Volume
22.39 cm3/mol   
12
13.10 cm3/mol   
39
Adjacent Atomic Numbers
  
  
Previous Element
Neodymium
  
Silver
  
Next Element
Samarium
  
Indium
  
Valence Electron Potential
44.10 (-eV)   
39
30.00 (-eV)   
99+
Lattice Constant
Not Available   
297.94 pm   
99+
Lattice Angles
Unknown   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
1.89   
1
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